 | | Re: IR tower problems
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(...) There must be something terribly wrong if you couldn't get it to go over a couple of meters. RS-232's maximum cable length depends on the baud rate - at 9600, it's good for about 500 meters IIRC. The tower comms is about 1200? 2400? You (...) (24 years ago, 15-Feb-01, to lugnet.robotics)
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| | Re: RIS 2.0 status
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(...) Having seen other posts on the scarcity of the 1.5 kit, I thought I read that the 1.5 kits were being taken back by Lego to be re-used for the 2.0 kit. As others have said, not much of an update between 1.5 and 2.0 - mainly the software. Is (...) (24 years ago, 15-Feb-01, to lugnet.robotics)
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| | Re: Make a goal by the IR port on RCX
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(...) (Or a Scout - which ought to be cheaper and may actually be enough in this case - since it's only a slave to the main RCX.) (24 years ago, 15-Feb-01, to lugnet.robotics)
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| | Re: RIS 2.0 status
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(...) *RECALLED* !!! Why? (24 years ago, 15-Feb-01, to lugnet.robotics)
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| | Re: Make a goal by the IR port on RCX
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(...) If there is no way to free an input port for a light sensor you can try other ways with IR. You could use a PC to send messages to the RCX "turn left", "turn right", "slow" and so on. Now the problem is, how does your PC know which direction (...) (24 years ago, 15-Feb-01, to lugnet.robotics)
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| | Re: IR tower problems
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(...) [snip] My attempt failed when adding an extension cable 2 meters in length. The computer reported a failure to communicate with the IR tower. The total length of the two joined cables apparently exceeds the maximum length for IR Tower (...) (24 years ago, 15-Feb-01, to lugnet.robotics)
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| | Re: What are all those lego companies?
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(...) You also failed to mention the Lego trains. I grew up with the railway sets as an integral part of my [basic] Lego collection in the early 80s. Since then they have been motorised, electrified and controllable (==programmable?). (24 years ago, 15-Feb-01, to lugnet.robotics)
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| | Re: Make a goal by the IR port on RCX
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(...) It may be possible to overload the sensor ports. Can you tell us what types these sensors are, and what they are used for? (...) I did it once, not with LegOS though. See (URL) for details. Sadly, that can-retrieval project is left unfinished. (...) (24 years ago, 15-Feb-01, to lugnet.robotics)
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| | beam colors in 9790 Team Challenge?
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I have been in need of another RCX for a while, but have kept putting it off until RIS 2.0 comes out... From the picture, the Dacta set 9790 Team Challenge looks neat. (See (URL).) 1) Does anybody know which colors of Technic beams this set has? RIS (...) (24 years ago, 15-Feb-01, to lugnet.dacta, lugnet.robotics)
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| | Re: RIS 2.0 status
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I was in the Lego store on Michigan Av. Chicago and the guy told me to expect RIS 2.0 in March, which would still make it a Spring release. They didn't have any 1.5 kits, which have been recalled as most people know. (...) (24 years ago, 15-Feb-01, to lugnet.robotics)
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| | Re: Walkers
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I feel compelled to add what I considered to be a midly amusing thought to this general thread on walkers and balancing - which ain't easy by the way. When TLC come up with the "Cray in brick" or perhaps even a mere Pentium 10GHz in a brick, someone (...) (24 years ago, 15-Feb-01, to lugnet.robotics)
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| | Re: Walkers
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(...) Try rebuilding you robot with the wheels tilted. Instead of the having the axel parallel with the ground (0 deg), tilt the wheel so the axel is is at 60+ deg. This moves the effective center of rotation upwards. Once you get it above the CG (...) (24 years ago, 15-Feb-01, to lugnet.robotics)
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| | Re: Make a goal by the IR port on RCX
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(...) I have seen many others use the infrared port as a source of light which is used in conjunction with a light sensor to create a range finder, but I have never heard of anyone using the port itself as a sensor. Is there a way to read the (...) (24 years ago, 15-Feb-01, to lugnet.robotics)
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| | Re: What are all those lego companies?
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(...) <snip> (...) <snip> Not to confuse the thread originator, but the Technic line is no stranger to computers, sensors or motors. Both the Control Center and Cybermaster are programmable computers, and the Cybermaster uses sensors similar to (...) (24 years ago, 15-Feb-01, to lugnet.robotics)
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| | Re: Programming languages
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(...) Dont forget Gordon's Brick Programmer (GBP) (though I still have to figure out what routines, tasks and etc. are) --Electro-- (...) (24 years ago, 15-Feb-01, to lugnet.robotics)
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| | Re: Programming languages
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(...) I too would have tried LegOS if installing it were not so much like the more tedious computing chores I have to do at work everyday. Is there something intrinstically wrong with distributing binaries that will run on the most common platforms? (...) (24 years ago, 15-Feb-01, to lugnet.robotics)
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| | Make a goal by the IR port on RCX
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I am working on a robotic assignment with RCX by legOS. It is a small RCX vehicle that move around. I want to add a goal for this vehicle. Say, move towards a certain direction. However, all the 3 sensors port had been used up for some purpose. So I (...) (24 years ago, 15-Feb-01, to lugnet.robotics)
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| | Re: What are all those lego companies?
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(...) They are just product lines - and they all work together. Basic - Just bricks...LOTS of bricks. Technics - is regular Lego 'bricks' with the addition of gears and beams with holes and stuff - but no computers or sensors - and very few (if any) (...) (24 years ago, 15-Feb-01, to lugnet.robotics)
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| | What are all those lego companies?
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Hi there, I maid have some stupid questions (even if there is no such thing, only stupid answers exist), but I want to start my search of knowledge from the very beginning. I just ordered a RIS 1.5 and can't wait until I get it. I'm completely new (...) (24 years ago, 15-Feb-01, to lugnet.robotics)
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| | Re: Walkers
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Some years back a couple of guys at work made a double inverted pendulum, which is like balancing another pencil on top of the pencil on your finger, though it worked in only one dimension. I don't know too much about it, except that they had (...) (24 years ago, 15-Feb-01, to lugnet.robotics)
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